On Tue, 07 Nov 2006 12:52:41 -0800 (PST)
David Miller <[EMAIL PROTECTED]> wrote:
> From: Andrew Morton <[EMAIL PROTECTED]>
> Date: Tue, 7 Nov 2006 11:34:00 -0800
>
> > What Evgeniy means here is that copy_to_user() is slower than memcpy() (on
> > his machine, with his kernel config, at least).
>
From: Andrew Morton <[EMAIL PROTECTED]>
Date: Tue, 7 Nov 2006 11:34:00 -0800
> What Evgeniy means here is that copy_to_user() is slower than memcpy() (on
> his machine, with his kernel config, at least).
>
> Which is kinda weird and unexpected and is something which we should
> investigate indepe
On Tue, 07 Nov 2006 07:32:20 -0500
Jeff Garzik <[EMAIL PROTECTED]> wrote:
> Evgeniy Polyakov wrote:
> > Mmap ring buffer implementation was stopped by Andrew Morton and Ulrich
> > Drepper, process' memory is used instead. copy_to_user() is slower (and
> > some times noticebly), but there are major
On Tue, Nov 07, 2006 at 07:17:03AM -0500, Jeff Garzik ([EMAIL PROTECTED]) wrote:
> Evgeniy Polyakov wrote:
> >Well, kevent network and FS AIO are suspended for now (although first
>
> Why?
>
> IMO, getting async event submission right is important. It should be
> designed in parallel with async
Evgeniy Polyakov wrote:
Mmap ring buffer implementation was stopped by Andrew Morton and Ulrich
Drepper, process' memory is used instead. copy_to_user() is slower (and
some times noticebly), but there are major advantages of such approach.
h. I say there are advantages to both.
Perhaps c
Evgeniy Polyakov wrote:
Well, kevent network and FS AIO are suspended for now (although first
Why?
IMO, getting async event submission right is important. It should be
designed in parallel with async event reception.
Jeff
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On Tue, Nov 07, 2006 at 06:26:09AM -0500, Jeff Garzik ([EMAIL PROTECTED]) wrote:
> Evgeniy Polyakov wrote:
> >Generic event handling mechanism.
> >
> >Consider for inclusion.
> >
> >Changes from 'take20' patchset:
> > * new ring buffer implementation
> > * removed artificial limit on possible numbe
On Tue, Nov 07, 2006 at 06:46:58AM -0500, Jeff Garzik ([EMAIL PROTECTED]) wrote:
> At an aside... This may be useful. Or not.
>
> Al Viro had an interesting idea about kernel<->userspace data passing
> interfaces. He had suggested creating a task-specific filesystem
> derived from ramfs. Thr
At an aside... This may be useful. Or not.
Al Viro had an interesting idea about kernel<->userspace data passing
interfaces. He had suggested creating a task-specific filesystem
derived from ramfs. Through the normal VFS/VM codepaths, the user can
easily create [subject to resource/priv ch
Evgeniy Polyakov wrote:
Generic event handling mechanism.
Consider for inclusion.
Changes from 'take20' patchset:
* new ring buffer implementation
* removed artificial limit on possible number of kevents
With this release and fixed userspace web server it was possible to
achive 3960+ req/s w
On Fri, Oct 27, 2006 at 08:10:01PM +0400, Evgeniy Polyakov ([EMAIL PROTECTED])
wrote:
>
> Generic event handling mechanism.
>
> Consider for inclusion.
>
> Changes from 'take20' patchset:
> * new ring buffer implementation
Test userspace application can be found in archive on project's
homepa
Generic event handling mechanism.
Consider for inclusion.
Changes from 'take20' patchset:
* new ring buffer implementation
* removed artificial limit on possible number of kevents
With this release and fixed userspace web server it was possible to
achive 3960+ req/s with client connection rat
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